🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254.5

Radius: 9.7

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.85 AU - 0.97 AU

Year: 599 Days

Day: 6.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 45,415,333 km

• M1: 120,725 km (0.056 R)
• M2: 460,612 km (0.116 R)
• M3: 901,327 km (0.109 R)
• M4: 1,228,797 km (0.102 R)
• M5: 1,942,678 km (0.106 R)
• M6: 2,330,735 km (0.081 R)
• M7: 3,598,427 km (0.081 R)
• M8: 4,057,393 km (0.105 R)
• M9: 4,597,292 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 943.1

Radius: 14.4

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.97 AU - 1.59 AU

Year: 1000 Days

Day: 12.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 45,415,333 km

• M1: 180,565 km (0.109 R)
• M2: 693,536 km (0.109 R)
• M3: 1,188,854 km (0.048 R)
• M4: 1,696,589 km (0.091 R)
• M5: 2,250,999 km (0.082 R)
• M6: 2,732,704 km (0.112 R)
• M7: 3,444,341 km (0.073 R)
• M8: 4,381,572 km (0.038 R)
• M9: 5,122,680 km (0.089 R)
• M10: 5,753,385 km (0.113 R)
• M11: 6,367,484 km (0.077 R)
• M12: 8,504,041 km (0.082 R)
• M13: 9,069,521 km (0.066 R)
• M14: 9,569,776 km (0.053 R)
• M15: 10,529,895 km (0.113 R)
• M16: 11,485,227 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 991.8

Radius: 12.8

Gravity: 6.05 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.59 AU - 2.63 AU

Year: 2116 Days

Day: 13.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 45,415,333 km

• M1: 163,361 km (0.116 R)
• M2: 977,772 km (0.081 R)
• M3: 1,741,768 km (0.085 R)
• M4: 2,405,534 km (0.086 R)
• M5: 3,267,068 km (0.081 R)
• M6: 3,789,164 km (0.101 R)
• M7: 4,450,686 km (0.072 R)
• M8: 4,933,588 km (0.064 R)
• M9: 6,005,457 km (0.105 R)
• M10: 6,993,102 km (0.105 R)
• M11: 8,808,472 km (0.117 R)
• M12: 12,135,379 km (0.086 R)
• M13: 12,863,173 km (0.094 R)
• M14: 14,265,055 km (0.096 R)
• M15: 14,930,615 km (0.078 R)
• M16: 16,633,488 km (0.08 R)
• M17: 17,052,212 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576.4

Radius: 13.6

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 2.33 AU - 2.89 AU

Year: 2911 Days

Day: 10.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 45,415,333 km

• M1: 169,345 km (0.112 R)
• M2: 808,726 km (0.104 R)
• M3: 1,250,339 km (0.086 R)
• M4: 2,544,660 km (0.083 R)
• M5: 3,036,837 km (0.091 R)
• M6: 3,537,840 km (0.087 R)
• M7: 4,446,797 km (0.118 R)
• M8: 5,580,599 km (0.113 R)
• M9: 6,530,545 km (0.095 R)
• M10: 7,647,294 km (0.112 R)
• M11: 8,284,281 km (0.05 R)
• M12: 9,628,568 km (0.034 R)
• M13: 10,641,345 km (0.032 R)
• M14: 11,890,188 km (0.027 R)
• M15: 14,013,880 km (0.112 R)
• M16: 14,969,511 km (0.083 R)
• M17: 15,463,334 km (0.107 R)
• M18: 16,070,402 km (0.109 R)
• M19: 18,829,286 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 533.1

Radius: 13.9

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 2.81 AU - 3.65 AU

Year: 4007 Days

Day: 11.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 45,415,333 km

• M1: 173,234 km (0.099 R)
• M2: 735,274 km (0.05 R)
• M3: 1,339,200 km (0.109 R)
• M4: 1,935,497 km (0.109 R)
• M5: 2,658,653 km (0.059 R)
• M6: 3,479,497 km (0.104 R)
• M7: 3,939,810 km (0.097 R)
• M8: 4,441,112 km (0.088 R)
• M9: 5,108,767 km (0.117 R)
• M10: 5,953,247 km (0.118 R)
• M11: 6,706,323 km (0.088 R)
• M12: 7,920,459 km (0.093 R)
• M13: 8,905,412 km (0.111 R)
• M14: 9,657,889 km (0.107 R)
• M15: 11,419,404 km (0.096 R)
• M16: 11,991,915 km (0.093 R)
• M17: 13,386,466 km (0.09 R)
• M18: 13,924,121 km (0.03 R)
• M19: 14,578,013 km (0.104 R)
• M20: 15,252,251 km (0.036 R)
• M21: 17,458,520 km (0.11 R)
• M22: 19,744,376 km (0.034 R)
• M23: 20,441,801 km (0.069 R)
• M24: 22,564,445 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 186

Radius: 9.2

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 2.81 AU - 3.93 AU

Year: 4270 Days

Day: 11 Hours

Environment

Temp: -213 °C

Axial Tilt: 85.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 45,415,333 km

• M1: 115,041 km (0.088 R)
• M2: 536,458 km (0.086 R)
• M3: 1,655,450 km (0.081 R)
• M4: 3,579,578 km (0.06 R)
• M5: 6,917,106 km (0.115 R)
• M6: 8,035,650 km (0.105 R)
• M7: 9,476,726 km (0.114 R)
• M8: 11,510,808 km (0.109 R)
• M9: 17,444,458 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650.6

Radius: 11.7

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 4.77 AU - 5.73 AU

Year: 8303 Days

Day: 6.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 45,415,333 km

• M1: 146,307 km (0.045 R)
• M2: 535,112 km (0.106 R)
• M3: 1,085,632 km (0.068 R)
• M4: 1,569,431 km (0.051 R)
• M5: 2,195,798 km (0.108 R)
• M6: 2,605,995 km (0.093 R)
• M7: 3,559,681 km (0.083 R)
• M8: 4,052,606 km (0.096 R)
• M9: 4,732,678 km (0.098 R)
• M10: 9,194,734 km (0.062 R)
• M11: 10,418,594 km (0.103 R)
• M12: 10,967,917 km (0.035 R)
• M13: 12,620,675 km (0.085 R)
• M14: 14,311,729 km (0.047 R)
• M15: 15,306,854 km (0.029 R)
• M16: 19,229,609 km (0.064 R)
• M17: 19,829,048 km (0.062 R)
• M18: 22,434,594 km (0.116 R)
• M19: 23,099,108 km (0.085 R)
• M20: 23,776,637 km (0.119 R)
• M21: 30,585,135 km (0.031 R)
• M22: 34,817,109 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 589.4

Radius: 5.3

Gravity: 20.98 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 5.7 AU - 6.14 AU

Year: 9942 Days

Day: 20.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 45,415,333 km

• M1: 65,973 km (0.055 R)
• M2: 288,724 km (0.085 R)
• M3: 900,280 km (0.046 R)
• M4: 1,378,096 km (0.107 R)
• M5: 1,651,560 km (0.102 R)
• M6: 2,253,094 km (0.104 R)
• M7: 2,515,189 km (0.069 R)
• M8: 3,012,004 km (0.066 R)
• M9: 3,696,713 km (0.072 R)
• M10: 3,928,889 km (0.103 R)
• M11: 4,684,657 km (0.059 R)
• M12: 5,336,156 km (0.09 R)
• M13: 6,932,665 km (0.118 R)
• M14: 8,597,539 km (0.088 R)
• M15: 9,522,503 km (0.1 R)
• M16: 10,410,067 km (0.038 R)
• M17: 10,614,567 km (0.108 R)
• M18: 11,084,454 km (0.087 R)
• M19: 13,889,414 km (0.105 R)
• M20: 15,956,408 km (0.101 R)
• M21: 16,922,062 km (0.051 R)
• M22: 20,051,949 km (0.112 R)
• M23: 20,931,136 km (0.066 R)
• M24: 26,278,362 km (0.052 R)
• M25: 26,562,598 km (0.111 R)
• M26: 27,233,694 km (0.066 R)
• M27: 30,134,995 km (0.061 R)
• M28: 30,760,015 km (0.076 R)
• M29: 35,263,958 km (0.083 R)
• M30: 36,660,903 km (0.042 R)
• M31: 37,134,530 km (0.094 R)
• M32: 40,439,446 km (0.101 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 456 - 10,602 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit